The TRACER yellow paint marker is perfect for high visibility marking on glass and porcelain as well as general purpose construction marking. It features a 1-3MM BULLET POINT MARKER with a DURABLE ACRYLIC TIP, XYLENE AND TOLUENE FREE. The marker has a TOUGH METAL BARREL WITH UNIQUE VALVE ACTION INK MECHANISM and provides HIGH VISIBILITY MARKING ON ALL SURFACES INCLUDING GLASS AND PORCELAIN. It is available in yellow and white. Ideal for marking tiles, plastic, wood, metal and glass surfaces.